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    Sirrus2009 Specialized
    Recommended
    MSRP
    Where to Buy
    —
    $1

    At

    Category
    		Fitness
    2.9
    Frame
    		Aluminum
    		Aluminum
    Wheels
    		Aluminum
    Wheel Size
    		700c
    		Rim
    		Altus
    Drivetrain
    		3 × 8
    Brand Site

    specialized.com

    Summary
    		The Specialized Sirrus is a 700c aluminum frame fitness bike with modest components and rim brakes.

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    Insights
    Gear Range

    A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

    Lowest gear

    (climbing)

    38 mph

    Sirrus

    Highest gear

    (descending)

    Geometry
    Specs
    Sirrus2009 Specialized
    Frame

    Specialized A1 Premium Aluminum, fully manipulated tubing, compact design, integrated headset, hourglass speedstays

    Fork

    Specialized Comp, A1 Premium Aluminum w/ Cr-Mo steerer, rack and fender mounts

    Bottom Bracket

    Sealed cartridge, square taper, 68mm x 113mm

    Headset

    Specialized Mindset, 1-1/8"" integrated threadless, steel cage bearings, 40mm alloy cone with two 5mm alloy spacers

    Stem

    Specialized 3D forged 6061 butted alloy

    Handlebar

    Specialized Event, A1 Premium Aluminum, 25mm rise

    Saddle

    Body Geometry Fitness, 155mm width

    Seatpost

    Alloy 2-bolt, 27.2mm

    Type: Rigid

    Pedals

    Silver cage, black body, w/ toe clip and strap

    Grips

    Body Geometry Comfort II, triple density gel

    Groupset
    Rear Derailleur

    Shimano Altus

    Front Derailleur

    Shimano Altus, 31.8 clamp, bottom pull

    Crank

    Sugino Triple

    Shifters

    Shimano Revo, 8-speed twist shifter

    Cassette

    Shimano HG-40, 8-speed 11-32t

    Chain

    KMC Z-51, 8-speed

    Brakes

    Front: Forged 6061 alloy, 108mm linear pull, standardpads, Rear: Forged 6061 alloy, 108mm linear pull, standard pads

    Type: Rim

    Brake Levers

    Forged alloy brake levers

    Wheels
    Rims

    Alex S500, sleeve joint, CNC sidewalls, 32h

    Spokes

    Stainless 14g

    Front Hub

    Specialized sealed, 32h, QR

    Rear Hub

    Specialized forged alloy, 32h, double sealed bearings, cassette, QR

    Tires

    Front: Specialized All Condition Sport, 700x28c, 60TPI w/ Flak Jacket, Rear: Specialized All Condition Sport, 700x28c, 60TPI w/ Flak Jacket

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